Improvement in cultivating-machines



QUINBY & LOBDELL.

vS'fealm Plow.

No. 38,124. Patented Apr. 7.1863.

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ANtPHOTQ-LIYMD. CO. NA". (USBURHE'S PRUCESS.)

UNITED STATES PATENT OFFICE.

W. F; QUINBY, OF STANTON, AND G. G. LOBDELL, OF \VILMINGTON, DEL.

IMPROVEM ENT IN CULTIVA'ILING-MACHINES.

Specilication forming part of Letters Patent No. 38,124, dated April 7, 1863.

To all whom t may concern:

Be it known that we, V. F. QUINBY, of Stanton, and GEORGE G. LOBDELL, of Wilmington, bolli in the county of New Castle, and Sta-te of Delaware, have invented a new and Improved Rotary Digger, and we do hereby declare that the following is a full, clear, and exact description ot the same, reference being had tothe acconipanying drawings, `forming a part ot' this specification, in which- Figure lirepresents a longitudinal vertical section ot'our invention. Fig. 2 is a plan or top view of the same. Fig. 3 is a sectional front elevation of the guide-wheels.

Similar letters of referencein the three views indicate corresponding parts.

The object of this invention is to construct a rotary digging-machine which can be drawn along by horses or other draft animals, or which may be propelled by a steam engine placed on its frame, the digging-teeth being so arranged that they can'also act as propeli ling-teeth whenever it is desired.

The invention consists in the arrangement of two digging cylinders, the main cylinder being provided with teeth, which are attached to bars which are fixed, or they may be attached to bars which are made to oscillate, the position ot' which is regulated and governed by a cam which is secured to the axle of the cylinder, said axle being journaled in two levers suspended from a windlass in such a manner that the position of the cylinder can be regulated at pleasure, and the secondary cylinder being provided with a series of stationary pulverizing teeth and journaled in two pendent levers which connect by means of `.ropes or chains with a windlass in such a maniner that the position of the secondary or pulverizing cylinder can be adjusted as may he ldesired.

To enable others skilled in the art to make fand use our invention, we will proceed to describe it with reference to thc drawings.

A represents a strong substantial frame, made of timber or any other suitable material, and supported in the rear bya smoothingroller, B, and in front by two guide wheels, O. The axle of the smoothing-roller has its bearings in two arms, a., which are firmly secured to the longitudinal timbers of the frame. The guide-wheels C are secured to a common axle, d, which is attached by means of a pivot, c, to

the lower end of a vertical shaft, b, so that said wheels can adapt themselves to the inequalities ot' the ground over which the machine passes. The vertical shaft b has its bearings in two journal boxes, d', which are firmly secured to the front end of the frame A,

and a lever, e, which is firmly attached to the upper end ot' said shaft, serves to adjust the position ot' the guide-wheel and to steer the machine. When the machine is propelled by steam this lever will be connected to a suitable steering wheel.

D is the main or diggingcylinder, which consists of two disks, D', that rotate on a stationary axle, E. Said disks are connected by cross-barsf, and they form Ythe bearings for oscillating bars g, to which the digging-teeth li are secured. The position of the oscillating bars g is regulated by arms t' and a central cam, F. Whenever the teeth begin to descend as the disks revolve in the direction of the ar row marked thereon in Fig. l the loose ends ot' said arms sink down upon the surface of the cam F, and when the teeth cut into the ground said loose ends bear hard on the surface of the cam and prevent the teeth leaving the ground before they have cut through the desired distance. On passing the point ot' the cam the loose ends ot' the arms are released and the teeth, which by this time have left the ground, assume the position shown in Fig. l. By the combined action ot' the arms t' and cam F the diggingteeth scoop up the dirt and turn it over, thus imitating the action ot digging by hand; or the cam and oscillating bars may be dispensed with and the teeth attached to a fixed bar, and thedisks secured to the shaft, and so revolve with it.

The axle E of the digging-cylinder has its bearings in two levers, G, which are fulcrumed on pivots j, securedin the longitudinal timbers of the frame A, and the loose ends ot' these 1evers are suspended by means of ropes or chains k from a windlass, 1 the axle of which has its hearings in two standards rising from the front part ot' the frame A. By rotating the windlass in the proper direction the ropes or chains wind up on the same, and the digging-cylinder is raised from the ground, and the depth to which the teeth cut can thus be regulated. The windlass Z is retained in the desired position by a ratchet-wheel and pawl, orby any other desirable means. When it is desired to make the teeth eut to their full capacity the levers G are fastened down by means of vbuttons m. One of the pins j, which form thefulcra for the levers G, rotates in its bearings, and a wheel, H,

- secured ,to the inner end of the same and gearing into a corresponding wheel, H', on the axle E of the digging-cylinder, imparts to said pin arotary motion which is transmitted through the action of the gear I I to the pulverizingcylinder J'. This cylinder has its bearings in pendent arms K, which are suspended from the ends of the pins j, so that the cylinder canbe raised or lowered without throwing the Wheels I I out of gear. The wheels H H I I form friction-gears, so that in case of asudden check of one of the cylinders, no part of' the machine will suffer any injury.

The pulverizing-cylinder J is armed with several rows of cutters, n, and the gear-wheels H H are speeded up, so that said cylinder rotates with sufficient velocity to cause the cutters n to completely pulverize the ground which has previously been dug up by the digging-teeth 7L. The loose ends of the pendent arms K, which form the bearings for the pulverizingcylinders, connect by ropes or chains o with a windlass, 19. This windlass has its bearings in the upper ends of the arms u, which carry the smoothing-roller B, as previously described, and itis furnished with a ratchet-wheel and pawl, or any other equivalent device, so that it can be arrested in the desired position. By turning the windlass in the proper direction the pulverizing-cylinder can be raised from or lowered to 'the ground., and the depth'to which the cutters fn, penetrate regulated-at pleasure.

If steam-power is used for propelling this digging-machine, the boiler and engine are placed on the frame, and the piston is connected to the disks D by gear-wheels or any other suitable means, and in this case the teeth h act in the double capacity of digging-teeth and propelling-teeth.

Our machine can be used as atraction-engine by removing the tooth-bars h, and by elevating the disks D clear o' from the ground. A belt applied to one of .said disks may be used for the purpose of transmitting the power of the steam-engine to thrashing or other working machines.

When the tooth-bars are removed this machine may be used for all the purposes of alocomotive or stationary engine needed on the farm, which constitutes a decided improvement of our digging-machine over all others'.

Having thus fully described our invention, what we claim as new, and desire to secure by Letters Patent, is

The arrangement and combination of the Windlass Z, levers G, digging-cylinder D, with teeth It, attached to fixed or oscillating bars, pendent arms 7c, pnlverizing-cylinder J, and windlass p, all constructed and operating in the manner and for the purpose set forth.

' W. F. QUINBY.

GEORGE G. LOB-DELL.

Witnesses:

WM. H. GEAR, S. McLEoD. 

